D’Alesio’s background includes four years coaching safeties for the Kansas City Chiefs under defensive coordinator Steve Spagnuolo, and four seasons with the Chiefs overall, where he earned two Super Bowl rings. He played collegiately as a defensive back at Youngstown State from 2010 to 2014, before moving into coaching.
In New York, D’Alesio will work under Giants defensive coordinator Dennard Wilson, itself a link to the Ravens’ defensive staff. He’ll be joined by other Harbaugh-era hires, including D-line coach Dennis Johnson, special-teams coordinator Chris Horton, and strength and conditioning coach Ron Shrift, among others who previously worked with Baltimore.
Baltimore’s 2025 pass defense was hampered by injuries to key backs like Marlon Humphrey and Kyle Hamilton and by the volume of pass plays, finishing 31st in passing yards allowed per game. Yet D’Alesio helped rookie Malaki Starks emerge as a contributor, with Starks posting 84 tackles and two interceptions in his first NFL season.
For the Giants, the challenge is greater pass defense-wise, as Deonte Banks (the 2023 first-round pick) and Paulson Adebo posted uneven numbers in 2025—the former rated 42.4 by PFF (112th of 114 qualifying corners) and the latter tallying 73 tackles with one interception and a 58.4 PFF grade (74th among cornerbacks). D’Alesio’s task will be to develop available talent into more reliable options.
The Giants ranked 16th in pass defense at 214.2 yards per game, but late-season collapses against Dallas and Denver underscored the need for upgrades at the position. With the 2025 campaign in mind, New York is expected to pursue additional defensive back help in the draft and free agency, leveraging D’Alesio’s experience to maximize the impact of their existing playmakers and any new acquisitions.
